1335900 九、發明說明： 【發明所屬之技術領域】， 具有電路單元之捲線裝置 轉換電壓及電流之具有電 本發明係有關於一II 種可伸縮調整纜線長度、 捲線裝置。 【先前技術】1335900 IX. Description of the Invention: [Technical Field] The present invention relates to a type II telescopic adjustment cable length and winding device. [Prior Art]
按’無論是使用電腦、印表機、電話或傳真機 材均免不了須配置適當之纜線來相互連接，以達到番k訊器 料通連之目的，惟為避免過長或過多之魏混亂糾^或資 短而不符實際所需，發明人先前乃發展出多種適是過 戒益材之捲線機構產品，如美國專利號U S g 4 1 6 式通 B 1及U S 6 8 0 8 1 3 8，其中上繼機構基本 有本體、纜線、捲線盤以及渦形捲簧，如此即可將纜蟑i祜 頭插接於相關之通信材插座上以提供下載之資％交、'宁 ^ 可依實際需要伸縮調整纜線長度。 惟，無論是一般習知的捲線盒或上述捲線機構，都僅呈 有單純捲收整線、或僅具有訊號傳輪的功能，並無法將電2 及電流作轉換。而且捲線盤在捲線時常會受到本體的磨擦， 彰響捲線速度，因此使用上受到許多限制與不便，無法2有 更廣泛的用途。 緣是，本發明人有感上述缺失之可改善，提出一種設計 含理且有效改善上述缺失之本發明。 【發明内容】 本發明之主要目的，在於可提供一種具有電路單元之捲 緣骏置，能讓使用者更快速拉放纜線，伸縮調整纜線之長度， 5 1335900 並可利用該電路單元將輸入的電壓及電流轉換為需要的數值 再輸出。 · 為了達成上述之目的，本發明係提供一種具有電路單元 之捲線裝置，包括有：一絕緣本體，其内部設有一容置空間， 該絕緣本體之内壁凹設有至少一溝槽；一捲線盤，其可轉動 的設置於該容置空間内，該捲線盤設有一第一容納槽及一第 二容納槽，該捲線盤相對於該溝槽處凹設有至少二凹槽，該 二凹槽與該溝槽之間容置有至少二滚珠；二纜線，其捲繞於 該捲線盤；一捲簧，其設置於該第一容納槽内，該捲簀連接 於該捲線盤及該絕緣本體之間；以及一電路單元，其設置於 該第二容納槽内，該電路單元與該纜線電性連接。 - 本發明具有以下有益的效果：本發明利用該捲線盤可轉 動的設置於該絕緣本體之容置空間内，該二凹槽與該溝槽之 間容置有至少二滾珠，可讓使用者更快速地拉放纜線，伸縮 調整纜線長度，便於整線及攜帶，並利用該電路單元設置於 該捲線盤之第二容納槽内，該電路單元與該纜線電性連接， 使輸入電壓或電流可經該電路單元轉換為需要的數值再輸 出。 為使能更進一步瞭解本發明之特徵及技術内容，請參閱 以下有關本發明之詳細說明與附圖，然而所附圖式僅提供參 考與說明用，並非用來對本發明加以限制者。 【實施方式】 請參閱第一圖至第三圖，本發明係提供一種具有電路單 元之捲線機構，包括有一絕緣本體1、一捲線盤2、二纜線 6 1335900 3、一捲簧4、一電路單元5及一盤體9，該絕緣本體1具 有一第一外殼1 1及一第二外殼1 2，該第一外殼1 1及第 二外殼1 2係以螺絲鎖接或卡接等方式組合成一體，藉以組 成一中空的絕緣本體1。該絕緣本體1内部形成有一容置空 間1 3 ’用以容納該捲線盤2、二纜線3及捲簧4。該絕緣 本體1邊側適當處係設有一第一線孔1 4及一第二線孔1 5 ’該第一線孔1 4及該第二線孔1 5用以供該二纟覽線3之 一端伸出。該第二外殼1 2内壁之中心凸設有一凸軸丄6， 該凸軸1 6係伸入該容置空間1 3内。在本實施例中，該第 一外殼1 1及該第二外殼1 2之内壁分別凹設有一溝槽1工 〇及1 2 0，該凸軸丄6與該溝槽丄2 〇之間開設有一移動 槽 1 2 3。 該捲線盤2係容置於該絕緣本體1之容置空間丄3内。 在本實施例中，該捲線盤2係一體成形製成，該捲線盤2設 有-第-容納槽2 1及-第二容納槽2 2。該捲線盤^中= 具有一軸孔2 3，該捲線盤2藉由該軸孔2 3樞設於該絕緣 本體1之凸軸1 6上，使該捲線盤2可於該容置空間 内 作轉動。該捲線盤2相對於該第一外殼i Ί ,,, 丄 槽1 1 〇 凹 叹有-凹槽2 4，但並料此數量為限。該溝槽 二凹槽24之間容置有二滾珠6，藉由該二滾珠6 = 線盤2相對於該絕緣本體1更容易轉動。 該二纜線3可為各種内部設有導體的線材，' 或訊號。在本實施例中，該二為電源 '傳輪電力 3相互捲繞於賴線盤2外緣，且該二财、;^ ’該二縣 、' < 一端分別由 7 1335900 絕緣本體1之第一線孔1 4及第二線孔1 5伸出外部，且分 別組接有一電連接器3 1及3 2，該等電連接器3 1及3 2 分別為電源插頭及DC插頭，但其可為其它電連接器，如： USB、IEEE1394、RJ45、RJ11等，亦可以耳機或麥克風等裝 置取代。該二纜線3之另一端分別具有一第一連接端3 3與 一第二連接端3 4，該第一連接端3 3及該第二連接端3 4 係為導體，該捲線盤2相對於該第一連接端3 3及該第二連 接端34之處分別開設有一破孔2 9。 該捲簧4呈渦形，該捲簧4設置於該捲線盤2之第一容 納槽2 1内。該捲簧4之二端分別形成有一第一卡端4 1及 一第二卡端4 2，該第一卡端4 1卡設於捲線盤2的卡溝Η 及該盤體9，該第二卡端4 2卡設於該絕緣本體1之凸軸1 6，使該捲簧4連接於該捲線盤2及該絕緣本體1之間，以 提供該捲線盤2轉動之復位彈性。 該電路單元5係設置於該捲線盤2之第二容納槽2 2 内，在本實施例中，該電路單元5係為整流變壓器電路單元， 其可轉變輸入之電壓大小，並將輸入之交流電轉換為直流電 輸出。該電路單元5之中間開設有一穿孔5 1，該穿孔5 1 可供該絕緣本體1之凸軸1 6穿過。該電路單元5設有二導 接部5 3及5 4，該第一連接端3 3及該第二連接端3 4係 分別穿過該二破孔2 9，再分別穿過該電路單元5並焊接於 該二導接部5 3及5 4，使該二纜線3與該電路單元5電性 連接。另，該電路單元5與該二纜線3之間亦可設置端子連 接該二導接部5 3及5 4與該第一連接端3 3及該第二連接 8 1335900 端34(圖未示）。 ' 該盤體9可轉動的設置於該捲簧4下方，該盤體9呈有 一軌跡槽91及二凹槽9 2 ’該執跡槽9丄與二凹槽9 2分 別相對於該移動槽1 2 3與溝槽！ 2 〇，一球體7容置於該 軌跡槽9 1與移動槽1 2 3之間，藉該球體7、軌跡槽9工 及移動槽1 2 3㈣殊之互㈣係而使二纜線3能藉反覆拉 _放動作而作固定或伸縮，使用者因此而不受回捲彈力的干 鲁擾。二滾珠6,分別容置於該二凹槽9 2與該溝槽丄2〇之 間，使該捲線盤2相對於絕緣本體工更容易轉動。 #請賴第四_示，為本發明具有電路單元之捲線装置 貫施例之立體分解圖，本實施例與上述第—實施例（如 第二圖所示）不同之處在於：該絕緣本體1邊側設有-按鈕 孔1 7 ’該捲線盤2周緣開設有二缺槽2 6 2，該第 12内壁靠近胁孔1跑設有一凸肋121及一：塊； 2 2 ’該凸肋1 2 1套設有-制動件8，該制動件8用以取 鲁代該盤體9 ’其具有-擋止部8 i、一按壓部8 2及—頂抵 部8 3 ’該播止部8 1可擋止於該二缺槽2 6工處，該按壓 部8 2伸出該按純i 7外，該頂抵部8 3具有彈性並抵靠 於該凸塊122。藉由按壓該制動件8之按壓部“，可使 該擋止部8 1脫_缺槽2 6 !，使該二^線3於拉放時因 捲簀4的回捲彈力而收回。 ^請參閱第五圖所示，為本發明具有電路單元之捲線裝置 第二實施例之剖視示意圖，本實施例與第—實施例（如第二 圖所示）不同之處在於：該捲線盤2具有—第一轉體2 9 1335900 . 一第二轉體2 7，該第一容納槽2 1設於第一轉體2 6内 ·· 部，該第二容納槽2 2設於第二轉體2 7内部，該第一轉體 2 6可藉由二支架2 8組設於第二轉體2 7上，該二支架2 8係由第一轉體2 6之底部向下延伸，穿過電路單元5之通 孔5 2，再固定於第二轉體2 7上。該第一轉體26及第二 轉體2 7中心各具有一軸孔2 3，該第一轉體2 6及第二轉 • 體2 7藉由該二軸孔2 3枢設於絕緣本體1之凸軸1 6上。 . 該二纜線3係分別穿過該第二轉體2 7之二破孔2 9 ’並電 • 性連接於該二導接部5 3及5 4。該第二轉體2 7相對於該 第二外殼1 2之溝槽1 2 0及移動槽1 2 3凹設有二凹槽2 ' 5及一執跡槽2 7 1，該二滾珠6 ’分別設於該溝槽1 2 0及 二凹槽2 5之間，該球體7設於該移動槽1 2 3及轨跡槽2 7 1之間。 請參閱第六圖所示，為本發明具有電路單元之捲線裝置 第四實施例之剖視示意圖，本實施例與第三實施例（如第五 圖所示）不同之處在於：該第一外殼1 1設有一蓋體1 8， • 該第一轉體2 6與該第二轉體2 7—體成型製成。該電路單 元5之中心開設有一第二穿孔5 1 ’，該第二穿孔5 1 ’略大 於該第一轉體2 6之直徑，使該電路單元5可套設於該捲線 盤2上，組裝更方便。 請參閱第七圖所示，為本發明具有電路單元之捲線裝置 第五實施例之立體圖，本實施例與第一實施例（如第一圖所 示）不同之處在於：該絕緣本體1之第一外殼1 1設有一轉 動件1 1 1，該轉動件1 1 1連接該捲線盤2，該轉動件1 1 1上凹設有二撥槽1 1 2，以方便使用者捲動該轉動件1 10 1335900 . 1 1，調整該二纜線3之長度。 . 請參閱第八圖所示，為本發明具有電路單元之捲線裝置 第六實施例之立體圖，本實施例與第五實施例（如第七圖所 示）不同之處在於：該轉動件1 1 1開設有一收容槽1 1 3， 一撥桿1 1 4可扳動的設於該收容槽1 1 3，以方便使用者 捲動該轉動件111，調整該二纜線3之長度。 • 結合上述說明，即可組成本發明之具有電路單元之捲線 . 裝置，在實際使用上，可取代筆記型電腦厚重之整流變壓器， ® 或其他裝置等，使裝置便於攜帶。該等滾珠6及6 ’分別設置 於該溝槽1 1 0及與二凹槽2 4之間以及該溝槽1 2 0與二 凹槽9 2之間，減少捲動的摩擦，使該二纜線3能更快速地 拉伸或捲收。並利用該電路單元5設置於該捲線盤2之第二 容納槽2 2内，該電路單元5與該纜線3電性連接，使該具 有電路單元之棬線裝置可將自該電連接器3 1輸入之電壓及 電流轉換為需要的數值再輸出於該電連接器3 2。 惟以上所述僅為本發明之較佳實施例，非意欲侷限本發 ® 明之專利保護範圍，故舉凡運用本發明說明書及圖式内容所 為之等效變化，均同理皆包含於本發明之權利保護範圍内， 合予陳明。 【圖式簡單說明】 第一圖係本發明具有電路單元之捲線裝置第一實施例之立體 圖。 第二圖係本發明具有電路單元之捲線裝置第一實施例之立體 分解圖。 11 1335900 第二A圖係本發明具有電路單元之捲線裝置第一實施例之盤 體之立體圖。 .‘ 第三圖係本發明具有電路單元之捲線裝置第一實施例之剖視 示意圖。 第四圖係本發明具有電路單元之捲線裝置第二實施例之立體 分解圖。 第五圖係本發明具有電路單元之捲線裝置第三實施例之剖視 示意圖。 • 第六圖係本發明具有電路單元之捲線裝置第四實施例之剖視. 示意圖。 . 第七圖係本發明具有電路單元之捲線裝置第五實施例之立體 圖。 第八圖係本發明具有電路單元之捲線裝置第六實施例之立體 圖。 【主要元件符號說明】 1絕緣本體 • 1 1第一外殼 1 1 0溝槽 1 1 1轉動件 1 1 2撥槽 1 1 3收容槽 1 1 4撥桿 1 2第二外殼 1 2 ◦溝槽 12 1335900 1 2 1凸肋 1 2 2凸塊 1 2 3移動槽 1 3容置空間 14第一線孔 1 5第二線孔 1 6凸軸 1 7按紐孔 1 8蓋體 2捲線盤 21第一容納槽 2 2第二容納槽 2 3軸孔 2 4凹槽 2 5凹槽 2 6第一轉體 2 6 1缺槽 2 7第二轉體 2 7 1執跡槽 2 8支架 2 9破孔 2 9 ’破孔 3纜線 31電連接器 13 1335900 3 2電連接器 3 3第一連接端 3 4第二連接端 4捲簧 4 1第一卡端 4 2第二卡端 5電路單元 5 1第一穿孔 5 1 ’第二穿孔 5 2通孔 5 3導接部 5 4導接部 6滾珠 6 ’滾珠 7球體 8制動件 8 1擋止部 8 2按壓部 8 3頂抵部 9盤體 9 1執跡槽 9 2凹槽 Η卡溝 14Press 'Whether you use a computer, printer, telephone or fax machine, you must configure the appropriate cable to connect with each other, in order to achieve the purpose of the communication, but to avoid too long or too much Wei confusion ^ or short-term is not in line with the actual needs, the inventor has previously developed a variety of suitable winding equipment products, such as the US patent number US g 4 1 6 through B 1 and US 6 8 0 8 1 3 8 The successor mechanism basically has a body, a cable, a reel and a scroll coil spring, so that the cable 蟑 祜 can be plugged into the relevant communication material socket to provide the downloading amount, 'Ning ^ Adjust the cable length according to actual needs. However, whether it is a conventionally known winding box or the above-mentioned winding mechanism, only a simple winding line or only a signal transmission wheel is provided, and electricity 2 and current cannot be converted. Moreover, the reel is often rubbed by the body during winding, which is a speed of winding, so that it is subject to many limitations and inconveniences, and it cannot be used for a wider range of purposes. On the contrary, the present inventors felt that the above-mentioned deficiency could be improved, and proposed a present invention which is rational in design and effective in improving the above-mentioned deficiency. SUMMARY OF THE INVENTION The main object of the present invention is to provide a winding edge with a circuit unit, which allows the user to pull the cable more quickly, and adjust the length of the cable, 5 1335900 and can utilize the circuit unit The input voltage and current are converted to the required values and output. In order to achieve the above object, the present invention provides a winding device having a circuit unit, comprising: an insulative housing having an accommodating space therein, the inner wall of the insulating body being recessed with at least one groove; and a reel The reel is rotatably disposed in the accommodating space, the reel is provided with a first accommodating groove and a second accommodating groove, and the reel is recessed with at least two grooves relative to the groove, the two grooves Having at least two balls disposed between the groove; a second cable wound around the reel; a coil spring disposed in the first receiving groove, the winding being connected to the reel and the insulating And a circuit unit disposed in the second receiving slot, the circuit unit being electrically connected to the cable. The present invention has the following beneficial effects: the present invention utilizes the reel to be rotatably disposed in the accommodating space of the insulative housing, and the at least two balls are accommodated between the two grooves and the groove to allow the user to Pulling the cable more quickly, adjusting the length of the cable to facilitate the whole line and carrying, and using the circuit unit to be disposed in the second receiving slot of the reel, the circuit unit is electrically connected to the cable to make an input The voltage or current can be converted to the required value by the circuit unit and then output. For a better understanding of the features and technical aspects of the present invention, reference should be made to the accompanying drawings. [Embodiment] Referring to the first to third figures, the present invention provides a winding mechanism having a circuit unit, comprising an insulative housing 1, a reeling disc 2, a second cable 6 1335900 3, a coil spring 4, and a coiling mechanism. The circuit unit 5 and a disk body 9 have a first outer casing 1 1 and a second outer casing 12, and the first outer casing 1 1 and the second outer casing 12 are screwed or snapped. The combination is integrated to form a hollow insulating body 1. The insulating body 1 is internally formed with a receiving space 1 3 ' for accommodating the reel 2, the second cable 3 and the coil spring 4. A first wire hole 14 and a second wire hole 15 5 are disposed at a side of the insulating body 1 for the second wire hole 14 and the second wire hole 15 for the second wire 3 One end is extended. A convex shaft 6 is protruded from a center of the inner wall of the second outer casing 12, and the protruding shaft 16 extends into the accommodating space 13. In this embodiment, the inner walls of the first outer casing 1 1 and the second outer casing 12 are respectively recessed with a groove 1 and a 120, and the convex shaft 6 and the groove 丄 2 开设 are opened. There is a moving slot 1 2 3 . The reel 2 is housed in the accommodating space 丄3 of the insulative housing 1. In the present embodiment, the reel 2 is integrally formed, and the reel 2 is provided with a - accommodating groove 21 and a second accommodating groove 22. The reel 2 has a shaft hole 23, and the reel 2 is pivotally disposed on the protruding shaft 16 of the insulative housing 1 so that the reel 2 can be placed in the accommodating space. Turn. The reel 2 is opposite to the first casing i Ί , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Two balls 6 are accommodated between the two grooves 24, and the two balls 6 = the wire reel 2 are more easily rotated relative to the insulating body 1. The two cables 3 can be various wires with conductors inside, 'or signals. In this embodiment, the two power sources 'the transmission power 3 are wound around each other on the outer edge of the cable reel 2, and the two counties, 'the second end of the two counts are respectively 7 1335900 insulative body 1 The first wire hole 14 and the second wire hole 15 are extended to the outside, and the electrical connectors 3 1 and 3 2 are respectively connected, and the electrical connectors 3 1 and 3 2 are respectively a power plug and a DC plug, but It can be other electrical connectors, such as: USB, IEEE1394, RJ45, RJ11, etc., and can also be replaced by devices such as headphones or microphones. The other end of the two cables 3 has a first connecting end 33 and a second connecting end 34. The first connecting end 3 3 and the second connecting end 34 are conductors, and the reeling disc 2 is opposite. A through hole 2 9 is defined in each of the first connecting end 3 3 and the second connecting end 34 . The coil spring 4 has a spiral shape, and the coil spring 4 is disposed in the first accommodation groove 21 of the reel 2. The first end of the coil spring 4 is formed with a first card end 4 1 and a second card end 4 2 . The first card end 4 1 is engaged with the card groove 卷 of the reel 2 and the disc body 9 . The second card end 42 is disposed on the protruding shaft 16 of the insulative housing 1 so that the coil spring 4 is connected between the reel 2 and the insulative housing 1 to provide the return elasticity of rotation of the reel 2. The circuit unit 5 is disposed in the second receiving slot 2 2 of the reel 2. In the embodiment, the circuit unit 5 is a rectifier transformer circuit unit, which can convert the input voltage and input the alternating current. Convert to DC output. A through hole 5 1 is defined in the middle of the circuit unit 5 , and the through hole 5 1 is passed through the protruding shaft 16 of the insulating body 1 . The circuit unit 5 is provided with two guiding portions 5 3 and 5 4 , and the first connecting end 3 3 and the second connecting end 34 respectively pass through the two holes 2 and pass through the circuit unit 5 respectively. And soldering to the two guiding portions 5 3 and 5 4 to electrically connect the two cables 3 to the circuit unit 5 . In addition, a terminal may be disposed between the circuit unit 5 and the two cables 3 to connect the two guiding portions 5 3 and 5 4 with the first connecting end 3 3 and the second connecting end 8 1335900 end 34 (not shown) ). The disk body 9 is rotatably disposed under the coil spring 4, and the disk body 9 has a track groove 91 and two grooves 9 2 '. The track groove 9 丄 and the second groove 9 2 are respectively opposite to the moving groove 1 2 3 with the groove! 2 〇, a sphere 7 is accommodated between the track groove 9 1 and the moving groove 1 2 3, and the second cable 3 can be made by the ball 7, the track groove 9 and the moving groove 1 2 3 (4) By fixing or telescopic by pulling and pulling, the user is not disturbed by the rewinding elasticity. Two balls 6, respectively, are accommodated between the two grooves 92 and the groove 〇2, so that the reel 2 is more easily rotated relative to the insulating body. The present invention is different from the above-described first embodiment (as shown in the second figure) in that the insulating body is different from the above-mentioned first embodiment (as shown in the second figure). 1 rim side is provided with a button hole 1 7 '. The circumference of the reel 2 is provided with two notches 2 6 2 , and the 12th inner wall is provided with a rib 121 and a block adjacent to the lash hole 1; 2 2 'the rib 1 2 1 sets are provided with a brake member 8 for taking the disk body 9', which has a blocking portion 8 i, a pressing portion 8 2 and a top abutting portion 8 3 ' The portion 8 1 can be stopped at the two slots 26, and the pressing portion 8 2 protrudes beyond the pure i 7 , and the abutting portion 8 3 has elasticity and abuts against the bump 122 . By pressing the pressing portion of the brake member 8, the stopper portion 8 1 can be removed from the groove 2 6 !, so that the two wires 3 are retracted by the rewinding force of the winding 4 when being pulled. Referring to FIG. 5, a cross-sectional view of a second embodiment of a winding device with a circuit unit according to the present invention is different from the first embodiment (as shown in the second figure) in that the reel 2 has a first rotating body 2 9 1335900. A second rotating body 2 7, the first receiving groove 2 1 is disposed in the first rotating body 26, and the second receiving groove 2 2 is disposed in the second Inside the rotating body 27, the first rotating body 26 can be disposed on the second rotating body 27 by two brackets 28, and the two brackets 28 are extended downward from the bottom of the first rotating body 26. The through hole 5 2 of the circuit unit 5 is fixed to the second rotating body 27. The center of the first rotating body 26 and the second rotating body 27 each has a shaft hole 23, and the first rotating body 26 And the second rotating body 2 is pivoted on the convex shaft 16 of the insulating body 1 by the two-axis hole 2 3 . The two cables 3 are respectively passed through the second rotating body 27 2 9 ' is electrically connected to the two guiding portions 5 3 and 5 4 . The two rotating bodies 2 7 are recessed with respect to the groove 1 2 0 and the moving groove 1 2 3 of the second outer casing 12, and are provided with two grooves 2' 5 and a running groove 2 7 1 , respectively. Between the groove 1 220 and the second groove 2 5 , the ball 7 is disposed between the moving groove 1 2 3 and the track groove 2 7 1 . Referring to the sixth figure, the circuit of the present invention has a circuit. The cross-sectional view of the fourth embodiment of the winding device of the unit is different from the third embodiment (as shown in the fifth figure) in that the first housing 11 is provided with a cover body 18. A rotating body 26 is integrally formed with the second rotating body 27. The center of the circuit unit 5 defines a second through hole 5 1 ', which is slightly larger than the first rotating body 2 6 The diameter of the circuit unit 5 can be sleeved on the reel 2 for easier assembly. Referring to the seventh figure, a perspective view of a fifth embodiment of a winding device with a circuit unit according to the present invention is provided. The first embodiment (as shown in the first figure) is different in that the first housing 1 1 of the insulative housing 1 is provided with a rotating member 1 1 1 , and the rotating member 1 1 1 is connected to the winding 2, the rotating member 1 1 1 is recessed with two dials 1 1 2 to facilitate the user to scroll the rotating member 1 10 1335900. 1, 1, adjust the length of the two cables 3. See the eighth figure The present invention is different from the fifth embodiment (as shown in the seventh figure) in that the rotating member 1 1 1 is provided with a receiving slot. 1 1 3, a lever 1 1 4 is movably disposed in the receiving slot 1 1 3 to facilitate the user to scroll the rotating member 111 and adjust the length of the two cables 3 . • In combination with the above description, the winding wire with circuit unit of the present invention can be formed. The device can replace the heavy-duty rectifier transformer of the notebook computer, or other devices, in practical use, so that the device can be easily carried. The balls 6 and 6' are respectively disposed between the groove 1 1 0 and the second groove 2 4 and between the groove 1 2 0 and the second groove 9 2 to reduce the friction of the rolling, so that the two The cable 3 can be stretched or retracted more quickly. The circuit unit 5 is disposed in the second receiving slot 2 2 of the reel 2, and the circuit unit 5 is electrically connected to the cable 3, so that the twisting device with the circuit unit can be connected to the electrical connector 3 1 The input voltage and current are converted to the required values and output to the electrical connector 32. However, the above description is only the preferred embodiment of the present invention, and is not intended to limit the scope of the patent protection of the present invention. Therefore, the equivalent changes of the present specification and the contents of the drawings are all included in the present invention. Within the scope of rights protection, Chen Ming is awarded. BRIEF DESCRIPTION OF THE DRAWINGS The first drawing is a perspective view of a first embodiment of a winding device having a circuit unit of the present invention. The second drawing is a perspective exploded view of a first embodiment of a winding device having a circuit unit of the present invention. 11 1335900 A second diagram is a perspective view of a disk body of a first embodiment of the winding device of the present invention. The third drawing is a schematic cross-sectional view of a first embodiment of the winding device of the present invention having a circuit unit. Figure 4 is a perspective exploded view of a second embodiment of the winding device of the present invention having a circuit unit. Figure 5 is a cross-sectional view showing a third embodiment of the winding device of the present invention having a circuit unit. • Figure 6 is a cross-sectional view showing a fourth embodiment of the winding device of the present invention having a circuit unit. Fig. 7 is a perspective view showing a fifth embodiment of the winding device of the present invention having a circuit unit. Figure 8 is a perspective view showing a sixth embodiment of the winding device of the present invention having a circuit unit. [Main component symbol description] 1 Insulating body • 1 1 First housing 1 1 0 Groove 1 1 1 Rotating member 1 1 2 Groove 1 1 3 Storage slot 1 1 4 Lever 1 2 Second housing 1 2 Groove 12 1335900 1 2 1 rib 1 2 2 bump 1 2 3 moving groove 1 3 accommodating space 14 first line hole 1 5 second line hole 1 6 convex axis 1 7 button button hole 1 8 cover body 2 reel 21 First receiving groove 2 2 second receiving groove 2 3 shaft hole 2 4 groove 2 5 groove 2 6 first rotating body 2 6 1 missing groove 2 7 second rotating body 2 7 1 tracking groove 2 8 bracket 2 9 Broken hole 2 9 'broken hole 3 cable 31 electrical connector 13 1335900 3 2 electrical connector 3 3 first connection end 3 4 second connection end 4 coil spring 4 1 first card end 4 2 second card end 5 circuit Unit 5 1 first perforation 5 1 'second perforation 5 2 through hole 5 3 guiding portion 5 4 guiding portion 6 ball 6 'ball 7 ball 8 braking member 8 1 blocking portion 8 2 pressing portion 8 3 abutting portion 9 disk body 9 1 track slot 9 2 groove Η card groove 14